duster instrument panel instruments mr453x7983a000

73
8 Equipement électrique "The repair procedures given by the manufacturer in this document are based on the technical specifications current when it was prepared. The procedures may be modified as a result of changes introduced by the manufacturer in the production of the various component units and accessories from which his vehicles are constructed." V1 All rights reserved by Renault s.a.s. Edition Anglaise Copying or translating, in part or in full, of this document or use of the service part reference numbering system is forbidden without the prior written authority of Renault s.a.s. © Renault s.a.s. 2009 V1 MR-453-X79-83A000$TOC.mif V1 83A INSTRUMENT PANEL INSTRUMENTS Fault finding – Introduction 83A - 2 Fault finding – System operation 83A - 8 Fault finding – Replacement of components 83A - 14 Fault finding – Customer complaints 83A - 15 Fault finding – Fault Finding Chart 83A - 20

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Page 1: Duster Instrument Panel Instruments Mr453x7983a000

8 Equipement électrique

"The repair procedures given by the manufacturer in this document are based on the technical specifications current when it was prepared.

The procedures may be modified as a result of changes introduced by the manufacturer in the production of the various component units and accessories from which his vehicles are constructed."

V1

All rights reserved by Renault s.a.s.

Edition Anglaise

Copying or translating, in part or in full, of this document or use of the service part reference numbering system is forbidden without the prior written authority of Renault s.a.s.

© Renault s.a.s. 2009

V1MR-453-X79-83A000$TOC.mifV1

83AINSTRUMENT PANEL INSTRUMENTS

Fault finding – Introduction 83A - 2Fault finding – System operation 83A - 8Fault finding – Replacement of components 83A - 14Fault finding – Customer complaints 83A - 15Fault finding – Fault Finding Chart 83A - 20

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83A1. SCOPE OF THIS DOCUMENT

This document presents the fault finding method applicable to all computers with the following specifications:

2. PREREQUISITES FOR FAULT FINDING

Documentation typeFault finding procedures (this manual):– Assisted fault finding (integrated into the diagnostic tool), Dialogys.Wiring Diagrams:– Visu-Schéma.

Type of diagnostic tools– CLIP

Special tooling required

3. REMINDERS

ProcedureTo run fault finding on the instrument panel, switch on the ignition in fault finding mode (+ after ignition).

Customer complaints - Fault finding chartAs the RENAULT diagnostic tool cannot be used to carry out fault finding on the instrument panel, fault finding is carried out by means of customer complaints and fault finding charts

Vehicle(s): H79

Function concerned: Instrument panel

Special tooling required:

Diagnostic tool

Multimeter

A summary of the overall procedure to follow is provided on the following page in the form of a flow chart.

INSTRUMENT PANEL INSTRUMENTSFault finding – Introduction

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INSTRUMENT PANEL INSTRUMENTSFault finding – Introduction 83A

4. FAULT FINDING PROCEDURE

Check the battery charge and the condition of the fuses

Print the system fault finding log (available on CLIP and in the Workshop Repair Manual or

Technical Note)

Use Fault Finding Charts (ALPs)

Fault solved

Contact the Techline

The cause is still present NO

YES

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INSTRUMENT PANEL INSTRUMENTSFault finding – Introduction 83A

FAULT FINDING PROCEDURE (continued)

Wiring check

Fault finding problems

Disconnecting the connectors and/or manipulating the wiring may temporarily remove the cause of a fault.Electrical measurements of voltage, resistance and insulation are generally correct, especially if the fault is not present when the analysis is made (stored fault).

Visual inspection

Look for damage under the bonnet and in the passenger compartment.Carefully check the fuses, insulators and wiring harness routing.Look for signs of oxidation.

Physical inspection

While manipulating the wiring, use the diagnostic tool to note any change in fault status from stored to present.Make sure that the connectors are properly locked.Apply light pressure to the connectors.Twist the wiring harness.If there is a change in status, try to locate the source of the fault.

Inspection of each component

Disconnect the connectors and check the appearance of the clips and tabs, as well as their crimping (no crimping on the insulating section).Make sure that the clips and tabs are properly locked in the sockets.Check that no clips or tabs have been dislodged during connection.Check the clip contact pressure using an appropriate model of tab.

Resistance check

Check the continuity of entire lines, then section by section.Look for a short circuit to earth, to + 12 V or with another wire.If a fault is detected, repair or replace the wiring harness.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Introduction 83A

5. SAFETY INSTRUCTIONS

Safety rules must be observed during any work on a component to prevent any material damage or personal injury:– check the battery voltage to avoid incorrect operation of computer functions,– use the proper tools.

6. SELF-TEST FUNCTION

Testing the various display devices consists of:– activating the needle indicators and the LCD numerical indicators.

IMPORTANTThe warning lights are controlled via a wire connection (conventional control by means of a wire connecting the warning light to the computer). They are not tested via the instrument panel.To test the warning lights, use a diagnostic tool (CLIP or NXR) in warning light fault test command mode for the computers controlling the warning light to be checked, except the low fuel level warning light, which is tested via the instrument panel.Failure of any of the warning lights requires the instrument panel to be replaced.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Introduction 83A

ACCESS TO FAULT FINDING MODE AND CHANGE OF PAGES

This function is viewed:

Version with and without trip computer

Input:

– By pressing and holding the odometer Reset button for 5 seconds when switching on the APC.

Scrolling:

– To scroll the trip computer information, press theodometer Reset button repeatedly.

Output:

– The fault finding phase ends automatically after 5 minutes.– The fault finding phase ends after the ignition is switched off.– The fault finding phase can be ended by pressing and holding the mileage counter reset button, which clears the

stored faults.

DESCRIPTION OF THE NEEDLE INDICATOR TEST SEQUENCEThe needle indicators are activated at the same time.The speedometer displays, for 1 second in 24 mph (40 km/h) stages, speeds ranging from 0 to 102 mph (170 km/h).The rev counter displays, for 1 second in 1000 rpm stages, values ranging from 0 to 7000 rpm.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Introduction 83A

DISPLAYING THE TRIP COMPUTER PAGES AND FAULT FINDING HELP

First page: all the warning lights are illuminated with software version + clock on the trip computer page.

Second page: all the segments are illuminated on the trip computer.

Third page: Number of litres displayIf an "open circuit or short circuit" fault is present, "- - -" is displayed.

Fourth page: Fuel flow in litres/hour information with the engine running.If an "open circuit or short circuit" fault is present, "- -" is displayed.

Fifth page: Stored sensor faults, no present or stored fault displayed as "- - - - -".– The stored and present "coolant temperature" faults are displayed as "- - -TO" for open circuit and "- - -TC" for

short circuit.

The "coolant temperature" faults are not significant, the "TO" fault must not be taken into account when the engine is cold.

– The stored and present "fuel gauge" faults are displayed as "-JO- -" for open circuit and "-JC- -" for short circuit.

– The stored and present "fuel flow" faults are displayed as "D- - - -" for no fuel flow signal.

The "fuel flow" faults are to be taken into account only on the versions with the trip computer.

All the displayed faults of the "stored sensor faults" page are faults that were detected, but no longer confirmed as present.

In case of several stored or present faults, they are all displayed on a single line.

To clear the stored faults and end the self-test procedure sequence, press and hold the odometer Reset button.

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83A1. OPERATION OF THE NEEDLE INDICATORS

Speedometer

The vehicle speed signal is transmitted to the instrument panel by a wire link.The vehicle speed signal can be supplied by:– the vehicle speed sensor located on the gearbox (for a 4x2 vehicle without ABS or ESP), – the ETC torque distribution computer (for a 4x4 vehicle without ABS, without ESP),– the ABS computer (for a vehicle with ABS),– the ESP computer (for a vehicle with ESP).

Engine speed indicator

The engine speed signal is transmitted to the instrument panel by a wire connection (signal provided by the injection computer).

2. OPERATION OF THE TRIP COMPUTER

Coolant temperature bargraph

The coolant temperature signal is transmitted to the instrument panel by a wire connection.The signal is produced by the coolant temperature sensor.Above 115˚C (inclusive), all the segments are illuminated with the warning light.From 105˚C (inclusive) to 115˚C (not inclusive), nine segments are illuminated.From 80˚C (inclusive) to 105˚C (not inclusive), six segments are illuminated.From 50˚C (not inclusive) to 80˚C (not inclusive), three segments are illuminated.No segments are illuminated when the temperature is below 50˚C.

Fuel level bargraph and low fuel level warning light

The separate "low fuel level" warning light comes on when the reserve level is reached and nine segments of the bargraph are extinguished.The wire signal from the fuel sender is processed to calculate the fuel level and manage the warning light.

SPECIAL NOTE ABOUT OPERATION WHEN THE IGNITION IS SWITCHED ON:

A 3 second self-test is run on the "low fuel level" warning light when the ignition is switched on.

Case 1: if the fuel sender is connected but the fuel level in the tank is lower than the reserve threshold, the continued illumination of the warning light after 3 seconds depends on the fuel level signal (smoothed and taking into account recalibrations).

INSTRUMENT PANEL INSTRUMENTSFault finding – System operation

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INSTRUMENT PANEL INSTRUMENTSFault finding – System operation 83A

Case 2: if the fuel sender is not connected and it is the first time the fault appears when switching on the ignition, the low fuel level warning light first flashes quickly for 2 seconds, then after 1 minute 40 seconds maximum (fault detection time), the fuel level bargraph goes out, then the low fuel level warning light is illuminated continuously.

Case 3: if the fuel sender is not connected and the warning light had been illuminated before the ignition was switched on this time, the low fuel level warning light stays illuminated, then after 1 minute 40 seconds, all the bargraph segments go out.

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INSTRUMENT PANEL INSTRUMENTSFault finding – System operation 83A

Oil pressure warning light

When the ignition is switched on, the oil pressure warning light illuminates.When the engine is running and the oil pressure is sufficient, the warning light goes out.The oil pressure signal is transmitted to the instrument panel by a wire connection.The signal is produced by the oil pressure switch.

3. ODOMETER

Total mileage

The total mileage is displayed as soon as the ignition is switched on.Press the Trip computer scroll button or the Reset button to move to the next page.

Trip mileage

The trip mileage is displayed instead of the total mileage when the Trip computer or the Reset button is pressed briefly.Except in the following cases:– it is reset by a long press of the instrument panel Reset button,– resetting the trip mileage is different from resetting the trip computer (distance travelled).

Trip computer

The various sequences of the trip computer can be displayed instead of the mileage by pressing the button at the end of the wiper stalk (Trip computer button). It is reset by a long press of the Reset button.

The signals from the trip computer are displayed after the trip mileage as follows:– Fuel consumed (in litres per 100 km) since the last reset,– Average consumption (in litres per 100 km) since the last reset.

This is only displayed after the vehicle has travelled 400 m.This takes into consideration the distance covered and the fuel consumption since the last time the reset button was pressed.

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INSTRUMENT PANEL INSTRUMENTSFault finding – System operation 83A

Estimated range with remaining fuel (in km).

This is only displayed after the vehicle has travelled approximately 400 m. This is the potential distance remaining calculated on the basis of distance travelled, amount of fuel remaining in the tank and fuel consumption.Note:The range is no longer displayed 3 minutes after the low fuel level warning light illuminates.– Distance travelled since the last reset.– Average speed since the last reset.

This is displayed after the vehicle has travelled 400 m. It is obtained by dividing the distance travelled by the time elapsed since the last reset. The time base is internal to the on-board computer.

HANDBRAKE APPLIED AND BRAKING CIRCUIT FAULT DETECTED WARNING LIGHT

– Handbrake switch.– Low brake fluid switch.– Electronic braking distribution fault (ONLY WITH ABS OR ESP).– Electronic front - rear torque distribution (ETC) fault.

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INSTRUMENT PANEL INSTRUMENTSFault finding – System operation 83A

Warning light Control Tested Signal transmitter

1 Opening elements Earth NO UCH

2 Dipped headlights + 12 V NO Lighting stalk

3 Main beam headlights + 12 V NO Lighting stalk

4 Rear fog lights + 12 V NO Lighting stalk

5 Front fog lights + 12 V NO Lighting stalk

6Left-hand and right-hand direction

indicator lights+ 12 V NO UCH

7 Battery charge fault EarthNO (but illuminated

when engine stopped)

Alternator

8 Coolant temperature Earth3 seconds by

injectionInjection computer

9 Oil pressure alert EarthNO (but illuminated

when engine stopped)

Oil pressure sensor

10

Handbrake applied + low brake fluid (without ABS, without ESP, without

ETC)

Earth

NOHandbrake switch

Low brake fluid switch

Handbrake applied + low brake fluid + electronic braking distribution (with ABS OR ESP OR ETC)

3 seconds by ABS OR ESP OR ETC

Handbrake switch + Low brake fluid switch + ABS OR ESP OR

ETC computer

11 ESP Earth 3 seconds by ESP ESP computer

12 ABS system (active) Earth3 seconds by ABS

OR ESPABS OR ESP

computer

13 Airbag Earth 3 seconds by Airbag Airbag computer

14 Airbag Off Earth 3 seconds by Airbag Airbag computer

15 Heated rear screen EarthNO (but illuminated

when engine stopped)

Relay plate

16 Minimum fuel level alert Earth3 seconds

Instrument panel

Instrument panel management (sender

unit signal)

18 OBD Earth3 seconds by

injectionInjection computer

19 Safety reminder EarthNO (but illuminated

when engine stopped)

Seat belt switch

20 Injection fault level 2 Earth3 seconds by

injectionInjection computer

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INSTRUMENT PANEL INSTRUMENTSFault finding – System operation 83A

Warning light Control Tested Signal transmitter

21 4x4 Earth

3 seconds by the front - rear torque distribution (ETC)

computer

Front - rear torque distribution (ETC)

22 4X2 Earth

3 seconds by the front - rear torque distribution (ETC)

computer

Front - rear torque distribution (ETC)

23 IVP Earth3 seconds by

injectionInjection computer

24 PARTICLE FILTER REGEN. Earth3 seconds by

injectionInjection computer

25 Water in diesel fuel Earth3 seconds by

injectionInjection computer

26Diesel preheating

Electronic fault level 1Earth

3 seconds by injection

Injection computer

27 Software lock Earth 3 seconds by UCH UCH computer

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83AReplacement operation

– Carry out fault finding before replacing the instrument panel.

– Operation of removing and refitting the instrument panel: see Mechanical, 83A, Instrument panel instruments, Instrument panel: Removal - Refitting.

– The instrument panel may be replaced when the Techline has given its approval.

INSTRUMENT PANEL INSTRUMENTSFault finding – Replacement of components

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83AENGINE SPEED

DISPLAY AT ZERO OR INCONSISTENT SIGNAL ALP1

COOLANT TEMPERATURE

NO SIGNAL OR INCONSISTENT SIGNAL ALP2

Fuel level

THE FUEL LEVEL INDICATOR DOES NOT DISPLAY FULL ALP3

ADDITION OF FUEL NOT REGISTERED (NOT FULL) ALP4

DISPLAY JAMMED WHEN DRIVING (NOT MECHANICAL) ALP5

FAULT WITH NO WARNING GIVEN BY WARNING LIGHT (NO ADDITION OF FUEL SINCE THE FAULT)

ALP6

FAULT WITH NO WARNING GIVEN BY WARNING LIGHT (ADDITION OF FUEL SINCE THE FAULT)

ALP7

FAULT WITH DELAYED WARNING ALP8

COOLANT TEMPERATURE

THE WARNING LIGHT REMAINS LIT ALP9

LEVEL 1 INJECTION FAULT

THE WARNING LIGHT REMAINS LIT ALP10

VEHICLE SPEED

DISPLAY AT ZERO OR INCONSISTENT SIGNAL ALP11

INSTRUMENT PANEL INSTRUMENTSFault finding – Customer complaints

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INSTRUMENT PANEL INSTRUMENTSFault finding – Customer complaints 83A

AIRBAG FAULT

THE WARNING LIGHT REMAINS LIT ALP12

OIL PRESSURE WARNING

THE WARNING LIGHT REMAINS LIT ALP13

DIPPED HEADLIGHTS

THE WARNING LIGHT OPERATES INCONSISTENTLY ALP14

MAIN BEAM HEADLIGHTS

THE WARNING LIGHT OPERATES INCONSISTENTLY ALP15

REAR FOG LIGHTS

THE WARNING LIGHT OPERATES INCONSISTENTLY ALP16

FRONT FOG LIGHTS

THE WARNING LIGHT OPERATES INCONSISTENTLY ALP17

ABS FAULT

THE WARNING LIGHT OPERATES INCONSISTENTLY ALP18

DIRECTION INDICATOR LIGHTS

THE WARNING LIGHT OPERATES INCONSISTENTLY ALP19

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INSTRUMENT PANEL INSTRUMENTSFault finding – Customer complaints 83A

ENGINE IMMOBILISER

THE ENGINE IMMOBILISER WARNING LIGHT REMAINS LIT OR FLASHES WHEN DRIVING

ALP20

WARNING LIGHT REMAINS NOT LIT WHEN NOT UNDER AFTER IGNITION FEED

ALP21

BATTERY CHARGE FAULT

THE WARNING LIGHT REMAINS LIT (ENGINE RUNNING) ALP22

HANDBRAKE APPLIED AND FAULT DETECTED ON BRAKING CIRCUIT

THE WARNING LIGHT OPERATES INCONSISTENTLY (WITHOUT ABS, WITHOUT ESP, WITHOUT ETC)

ALP23

THE WARNING LIGHT OPERATES INCONSISTENTLY (WITH ABS OR WITH ESP OR WITH ETC)

ALP24

HEATED REAR SCREEN

THE WARNING LIGHT DOES NOT LIGHT UP ALP25

INSTRUMENT PANEL

NO DISPLAY WHEN IGNITION IS SWITCHED ON ALP26

TRIP COMPUTER OR TRIP METER OR CLOCK

RESET WHENEVER THE IGNITION IS SWITCHED OFF ALP27

DOOR OPEN WARNING LIGHT

THE WARNING LIGHT DOES NOT LIGHT UP ALP28

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INSTRUMENT PANEL INSTRUMENTSFault finding – Customer complaints 83A

INJECTION FAULT WARNING LIGHTS

THE OBD INJECTION FAULT WARNING LIGHT REMAINS LIT ALP29

THE LEVEL 2 INJECTION FAULT WARNING LIGHT REMAINS LIT ALP30

SEAT BELT REMINDER WARNING LIGHT

THE WARNING LIGHT OPERATES INCONSISTENTLY ALP31

PARTICLE FILTER WARNING LIGHT

THE WARNING LIGHT REMAINS LIT ALP32

IVP WARNING LIGHT

THE WARNING LIGHT REMAINS LIT ALP33

4X2 AND 4X4 WARNING LIGHTS

THE 4X2 WARNING LIGHT REMAINS LIT ALP34

THE 4X4 WARNING LIGHT REMAINS LIT ALP35

WATER IN DIESEL FUEL WARNING LIGHT

THE WARNING LIGHT REMAINS LIT ALP36

GEAR ENGAGED INDICATOR

GEAR ENGAGED INDICATOR INOPERATIVE ALP37

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INSTRUMENT PANEL INSTRUMENTSFault finding – Customer complaints 83A

PASSENGER AIRBAG OFF WARNING LIGHT

THE WARNING LIGHT REMAINS LIT ALP38

ESP FAULT

THE ESP WARNING LIGHT OPERATES INCONSISTENTLY ALP39

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 1Engine speed display at zero or inconsistent signal Message from:

Injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Establish dialogue with the injection computer.Check that the engine speed signal is present and consistent.If the engine speed signal is absent or inconsistent, run fault finding on the injection (see 13B, Diesel injection or 17B, Petrol injection).Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity, and the absence of interference resistance on the following connection:– H7 between components 120 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, activate a self-test sequence for the instrument panel.If the self-test sequence is not correct, contact the Techline.

INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 2No coolant temperature signal or inconsistent signal Signal from the

coolant temperature sensor

NOTES Use the Technical Note Wiring Diagrams for H79.

Check the condition and connection of the connectors of the coolant temperature sensor, component code 244 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the resistance of the coolant temperature sensor, component code 244 between connection 42A and earth.For diesel injection check the resistance of the coolant temperature sensor, component code 244 between connection 42A and connection NH. Replace the coolant temperature sensor, component code 244 (see MR451, Mechanical, 19A Cooling, Coolant temperature sensor: Removal – Refitting) if the resistance is not:– 50 to 80˚C = 825 Ω < X < 927 Ω– 80 to 105˚C = 273 Ω < X < 300 Ω– 105 to 115˚C = 124 Ω < X < 136 ΩWarning temperature +115˚C = 103 Ω

Check the insulation, continuity, and the absence of interference resistance on the following connection:– 42A between components 247 and 244.For diesel injection check the insulation, continuity, and the absence of interference resistance on the following connection:– NH between component 244 and earth.If the connections are faulty and if there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise change the wiring.

If the fault is still present, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 3 The fuel level indicator does not display full

NOTES

The fuel tank must be filled with the ignition switched off (advise the customer to remove the key).

Ideally the customer must fill the tank with at least 15 litres.

Use the Technical Note Wiring Diagrams for H79.

Ask the customer if the tank is filled up under the following conditions: - the customer filled the tank up to the 3rd cut-out- the customer has changed filling station- the customer filled the tank in a flat-level station (not on a slope).

Did the customer fill the tank while observing all of these conditions?

Ask the customer to return just after having filled the tank under the conditions mentioned above.

With the ignition off, disconnect the fuel sender connector, component code 833 (Petrol) or 199 (Diesel) and then check the resistance using a multimeter.The value should be 51 Ω.

Is the value measured less than the corresponding value, according to the vehicle equipment?

Replace the sender, component code 833 (Petrol) or 199 (Diesel) (see MR 451, Mechanical, 19C, Fuel tank, Fuel level sensor module: Removal - Refitting).

If the fault is still present, contact Techline.

Compare the value measured to the value supplied by the CLIP tool.

Are the value measured and the value provided by the CLIP tool the same to within ±5 Ω?

Contact the Techline.

NO

YES

NO

YES

NO A

YES

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 3CONTINUED 1

Check the condition and connection of the connectors of the instrument panel, component code 247 and the fuel sender, component code 833 (Petrol) or 199 (Diesel).If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connections:• 41A between components 247 and 833 (Petrol) or

199 (Diesel),• 47A between components 247 and 833 (Petrol) or

199 (Diesel).

Are the checks correct?

Measure the resistance of the sender and the wiring using a multimeter via the connector, on the instrument panel side.

Are the value measured and the value provided by the CLIP tool the same to within ±5 Ω?

Contact the Techline.

Replace the instrument panel, component code 247 (see MR 451, Mechanical, 83A, Instrument panel, Instrument panel: Removal - Refitting).

Is the fault still present? The problem disappears.

Contact the Techline.

A

NO B

YES

YES

NO

NO

YES

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 3CONTINUED 2

If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.

Is the fault still present? Contact the Techline.

The problem disappears.

B

YES

NO

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 4 Addition of fuel not registered (not full)

NOTES None.

Consult the interpretation of ALP3 The fuel level indicator does not display full.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 5 Display jammed when driving (not mechanical)

NOTESFor economical driving, the blocks on the display may remain illuminated or the needle may remain jammed up to 120 miles (200 km).

Check that there is no mechanical jamming.

If the fault is on the block at the top of the display or the needle is jammed at full: check that the customer has travelled a sufficient amount of miles (km) for the block at the top of the display to go out or for the needle to move from the full section.

Check that the customer has not exceeded 3 filler cut-outs when filling the tank with fuel.

If the fault is still present or if the needle or the display is jammed in any position other than full, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 6Fault with no warning given by warning light (no addition of fuel

since the fault)

NOTESPut the vehicle in + after ignition.

Use the Technical Note Wiring Diagrams for H79.

Check the instrument panel warning lights, component code 247.

Replace the instrument panel, component code 247 (see MR 451, Mechanical, 83A, Instrument panel, Instrument panel: Removal - Refitting).

Does the fuel warning light illuminate for 3 seconds when + after ignition is switched on?

Record the resistance value provided by the CLIP tool.

Compare the value of the CLIP tool to the warning resistance equal to 280 Ω (Petrol) or 269 Ω (Diesel).

Is this value greater than or equal to the warning resistance corresponding to the type of fuel?

Contact the Techline.

Rock the vehicle and check whether the resistance changes within ±5 Ω.

Is there a change in the resistance value? Contact the Techline.

With the ignition off, disconnect the fuel sender connector, component code 833 (Petrol) or 199 (Diesel) and then check the resistance using a multimeter.

Replace the sender, component code 833 (Petrol) or 199 (Diesel) (see MR 451, Mechanical, 19C, Fuel tank, Fuel level sensor module: Removal - Refitting).Is this value greater than or equal to the warning R

value corresponding to the type of fuel?

Compare the value measured to the value supplied by the CLIP tool.

Are the value measured and the value provided by the CLIP tool the same to within ±5 Ω?

Contact the Techline.

NO

YES

YES

NO

YES

NO

NO

YES

NO A

YES

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ALP 6CONTINUED 1

Check the condition and connection of the connectors of the instrument panel, component code 247 and the fuel sender, component code 833 (Petrol) or 199 (Diesel).If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and absence of interference resistance on the following connections:• 41A between components 247 and 833 (Petrol) or

199 (Diesel),• 47A between components 247 and 833 (Petrol) or

199 (Diesel).

Are the checks correct?

If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.

Is the fault still present?

The problem disappears.

A

NO B

C

YES

B

YES C

NO

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ALP 6CONTINUED 2

Measure the resistance of the sender and the wiring via the connector, on the instrument panel side.

Are the value measured and the value provided by the CLIP tool the same to within ±5 Ω?

Contact the Techline.

Replace the instrument panel, component code 247 (see MR 451, Mechanical, 83A, Instrument panel, Instrument panel: Removal - Refitting).

Is the fault still present? Contact the Techline.

The problem disappears.

C

YES

NO

YES

NO

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 7Fault with no warning given by warning light (addition of fuel since

the fault)

NOTESPut the vehicle in + after ignition.

Use the Technical Note Wiring Diagrams for H79.

Check the instrument panel warning lights, component code 247.

Does the fuel warning light illuminate for 3 seconds when + after ignition is switched on?

Replace the instrument panel, component code 247 (see MR 451, Mechanical, 83A, Instrument panel, Instrument panel: Removal - Refitting).

With the ignition off, disconnect the fuel sender connector, component code 833 (Petrol) or 199 (Diesel) and then check the resistance using a multimeter.Compare the value measured to the value supplied by the CLIP tool.

Are the value measured and the value provided by the CLIP tool the same to within ±5 Ω?

Contact the Techline.

NO

YES

NO A

YES

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 7CONTINUED 1

Check the condition and connection of the connectors of the instrument panel, component code 247 and the fuel sender, component code 833 (Petrol) or 199 (Diesel).If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and absence of interference resistance on the following connections:• 41A between components 247 and 833 (Petrol) or

199 (Diesel),• 47A between components 247 and 833 (Petrol) or

199 (Diesel).

Are the checks correct?

If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace the wiring.

Is the fault still present? Contact the Techline.

The problem disappears.

A

NO B

C

YES

B

YES

NO

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 7CONTINUED 2

Measure the resistance of the sender and the wiring via the connector, on the instrument panel side.

Are the value measured and the value provided by the CLIP tool the same to within ±5 Ω?

Contact the Techline.

Replace the instrument panel, component code 247 (see MR 451, Mechanical, 83A, Instrument panel, Instrument panel: Removal - Refitting).

Is the fault still present? The problem disappears.

Contact the Techline.

C

YES

NO

NO

YES

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 8 Fault with delayed warning

NOTES None.

Ask the customer the distance travelled since the warning appeared until the fault occurred.

Did the fault take place after travelling more than 30 miles (50 km)?

Explain to the customer that the guaranteed distance is 30 miles (50 km) from the warning.

Has the customer added any fuel since the fault?See ALP7 Fault with no warning given by warning light (addition of fuel since the fault).

See ALP6 Fault with no warning given by warning light (no addition of fuel since the fault).

YES

NO

YES

NO

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 9The warning light remains illuminated

Message from: injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the injection system.Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity, and the absence of interference resistance on the following connection:– 31A between components 120 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 10The OBD injection fault warning light remains illuminated

Message from: injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the injection system.Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity, and the absence of interference resistance on the following connections:– 137C between components 120 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 11 Vehicle speedometer at zero or inconsistent signal

NOTES Use the Technical Note Wiring Diagrams for H79.

If the vehicle speed signal is delivered by the speed sensor, for vehicles that are not equipped with an ABS, ESP or ETC.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the speed sensor, component code 250.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity and the absence of interference resistance on the following connections:– 47F between components 247 and 250.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

If the vehicle speed signal is delivered to the other computers by the ABS computer, activate a self-test sequence for the instrument panel.

Check the correct operation of the needle in all the speed ranges.If the self-test sequence is not correct, contact the Techline.

If there is no vehicle speed signal on the ABS, deal with all the faults (see 38 C, Anti-lock braking system).

If there is a vehicle speed signal on the ABS, check the condition and connection of the connectors of the instrument panel, component code 247 and the ABS computer, component code 118.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.Check the insulation, continuity and the absence of interference resistance on the following connections:– 47F between components 247 and 118,If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 11CONTINUED 1

If the vehicle speed signal is delivered to the other computers by the ESP computer Check that the ESP computer is in good condition.If the fault is still present, use the diagnostic tool to check that the ESP correctly receives the vehicle speed signal during a road test. Deal with any faults (see 38C, Anti-lock braking system).

If the fault is not resolved, check the connection and condition of the connectors of the ESP computer, component code 1094 and the instrument panel, component code 247.If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 47F between components 247 and 1094.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

If the vehicle speed signal is delivered to the other computers by the ETC front - rear torque distribution computerCheck that the ETC front - rear torque distribution computer is in good condition.If the fault is still present, use the diagnostic tool to check that the ETC front - rear torque distribution computer correctly receives the vehicle speed signal during a road test. Deal with any faults (see 26A, Rear final drive).

If the fault is not resolved, check the connection and condition of the connectors of the front - rear torque distribution ETC computer, component code 2017 and the instrument panel, component code 247.If the connector is faulty and there is a repair method (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 47F between components 247 and 2017.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 12The airbag fault warning light remains illuminated Signal from the

airbag computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the airbags and pretensioners function (see 88C, Airbags and pretensioners).Deal with any other faults.

Check the condition and connection of the connectors of the airbag computer, component code 756 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity and the absence of interference resistance on the following connection:– 60A between components 756 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 13The oil pressure warning light remains illuminated Signal from the

oil pressure sensor

NOTES Use the Technical Note Wiring Diagrams for H79.

Check the general level of engine wear (oil level, oil pressure, oil circuit, etc.).Check there is no major external oil leakage.Repair if necessary.

With the engine running, move the wiring harness between the oil pressure sensor and the instrument panel to note whether the warning light goes out.Look for possible damage to the wiring harness.

Check the condition and connection of the connectors of the oil pressure sensor, component code 205 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

With the engine running, check the insulation, continuity, and the absence of interference resistance on the following connection:– 28A between components 205 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If there is an earth, replace the oil pressure sensor, component code 205 (see 10A, Engine and cylinder block assembly, Oil pressure: Check).

If the fault is still present, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 14 The dipped headlight indicator light operates inconsistently

NOTES Use the Technical Note Wiring Diagrams for H79.

Follow this fault finding procedure only if:– the dipped headlights are illuminated and the warning light remains off,– the dipped headlights are off and the warning light remains illuminated.

The dipped headlights are illuminated but the warning light remains off.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Lighting stalk in the dipped headlights on position.Check for +12 V on connection CPG between components 247 and 1016.If there is +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument panel, Instrument panel: Removal - Refitting).If there is no +12 V, check the insulation, continuity and the absence of interference resistance on the following connection:– CPG between components 1016 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

The dipped headlights are off but the warning light remains illuminated.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 14CONTINUED

Lighting stalk in the rest position.Check for +12 V of connection CPG between components 247 and 1016.– If there is no +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument

panel, Instrument panel: Removal - Refitting).– If there is +12 V, check the insulation, continuity, and the absence of interference resistance on

connection:CPG between components 1016 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 15 The main beam indicator light operates inconsistently

NOTES Use the Technical Note Wiring Diagrams for H79.

Follow this fault finding procedure only if:– the dipped headlights are illuminated and the warning light remains off,– the dipped headlights are off and the warning light remains illuminated.

The main beam headlights are illuminated but the warning light remains off.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Lighting stalk in the main beam headlights on position.Check for +12 V on connection RPG between components 1016 and 247.– If there is +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument panel,

Instrument panel: Removal - Refitting).– If there is no +12 V, check the insulation, continuity, and the absence of interference resistance on the

following connection RPG between components 1016 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

The main beam headlights are off but the warning light remains illuminated.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connector or connectors are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 15CONTINUED

Lighting stalk in the rest position.Check for +12 V on connection RPG between components 1016 and 247.– If there is no +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument

panel, Instrument panel: Removal - Refitting).– If there is +12 V, check the insulation, continuity, and the absence of interference resistance on the

following connection:– RPG between components 1016 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 16 The rear fog light warning light operates inconsistently

NOTES Use the Technical Note Wiring Diagrams for H79.

Follow this fault finding procedure only if:– the rear fog lights are on and the indicator light remains off,– the rear fog lights are off and the indicator light remains on.

The rear fog lights are on but the indicator light remains off.

Check the connection and condition of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Lighting stalk in rear fog lights on position.Check for +12 V on connection 9P of component 247.– If there is +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument panel,

Instrument panel: Removal - Refitting).– If there is no +12 V, check the insulation, continuity and the absence of interference resistance on the

following connection:– 9P between components 1016 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

The rear fog lights are off but the indicator light remains on.

Check the connection and condition of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

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INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 16CONTINUED

Lighting stalk in the rest position.Check for +12 V on connection 9P of component 247.If there is no +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument panel, Instrument panel: Removal - Refitting).If there is +12 V, check the insulation, continuity, and the absence of interference resistance on the following connection:– 9P between components 1016 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 17 The front fog light warning light operates inconsistently

NOTES Use the Technical Note Wiring Diagrams for H79.

Follow this fault finding procedure only if:– the rear fog lights are on and the indicator light remains off,– the rear fog lights are off and the indicator light remains on.

The rear fog lights are on but the indicator light remains off.

Check the connection and condition of the connectors of the instrument panel, component code 247 and the front fog relay, component code 231.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Lighting stalk in front fog lights on position.Check for +12 V on connection 8B of component 247.– If there is +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument panel,

Instrument panel: Removal - Refitting).– If there is no +12 V, check the insulation, continuity and the absence of interference resistance on the

following connection:– 8B between components 231 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

The front fog lights are off but the warning light remains illuminated.

Check the connection and condition of the connectors of the instrument panel, component code 247 and the front fog relay, component code 231.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

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ALP 17CONTINUED

Lighting stalk in the rest position.Check for +12 V on connection 8B of component 247.If there is no +12 V, replace the instrument panel, component code 247 (see MR 451, 83A, Instrument panel, Instrument panel: Removal - Refitting).If there is +12 V, check the insulation, continuity, and the absence of interference resistance on the following connection:– 8B between components 231 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 18The ABS warning light operates inconsistently

Message from: ABS/ESP computer

NOTES Use the Technical Note Wiring Diagrams for H79.

The ABS warning light remains constantly off even when the ignition is switched on.

Run fault finding on the ABS or the ESP.Deal with any faults (see 38C, Anti-lock braking system).

Check the connection and condition of the connectors of the instrument panel, component code 247 and the ABS computer, component code 118 or the ESP computer, component code 1094.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Disconnect the ABS computer, component code 118 or the ESP computer, component code 1094 and check that the instrument panel warning light illuminates.If the warning light does not illuminate, check the insulation from earth, the continuity, and the absence of interference resistance on the following connection:– 4Z between components 118 or 1094 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

The ABS warning light remains constantly illuminated.

Run fault finding on the ABS or the ESP.Deal with any faults (see 38C, Anti-lock braking system).

Check the connection and condition of the connectors of the instrument panel, component code 247 and the ABS computer, component code 118 or the ESP computer, component code 1094.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation to +12 V, the continuity, and the absence of interference resistance of the following connection:– 4Z between components 118 or 1094 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

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ALP 18CONTINUED

With the ABS or ESP computer, component code 118 or 1094 connected, the ignition switched on, and the instrument panel, component code 247 disconnected.Check the insulation to earth, the continuity, and absence of interference resistance on the following connection:– 4Z between components 118 or 1094 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 19The direction indicator signal light operates erratically

Message transmitted by: UCH

NOTES Use the Technical Note Wiring Diagrams for H79.

If the direction indicators are not operating normally, run fault finding on the UCH (see 87B, Passenger compartment connection unit).

Left-hand drive

Check the connection and condition of the connectors of the instrument panel, component code 247 and the UCH, component code 645.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Disconnect the connectors of the instrument panel, component code 247 and the UCH, component code 645.Check the insulation, continuity and the absence of interference resistance on the following connection:– 64E between components 645 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

Right-hand drive

Check the connection and condition of the connectors of the instrument panel, component code 247 and the UCH, component code 645.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Disconnect the connectors of the instrument panel, component code 247 and the UCH, component code 645.Check the insulation, continuity and the absence of interference resistance on the following connection:– 64C between components 645 and 247 for the left-hand warning light,– 64D between components 645 and 247 for the right-hand warning light.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 20The immobiliser warning light remains lit or flashes when the vehicle

is drivenMessage from: UCH

NOTES Use the Technical Note Wiring Diagrams for H79.

The immobiliser warning light is only for left-hand drive

The immobiliser warning light remains illuminated.

Run fault finding on the immobiliser.Check that when command AC003 is run, the immobiliser warning light goes off and then comes on again.

Switch off the ignition, then disconnect the UCH connector.If the indicator light is not illuminated, the UCH could be faulty, contact the Techline.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the UCH, component code 645.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

If the warning light is still illuminated, check the insulation to +12V, the continuity, and the absence of interference resistance of the following connection:80T between components 645 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

The immobiliser warning light flashes when driving.

Run fault finding on the immobiliser.Check that the index ET127 becomes OFF with the engine running.If this is not the case (see 82A, Engine immobiliser, System operation).

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ALP 20CONTINUED

Switch off the ignition, then disconnect the UCH connector.If the indicator light is not illuminated, the UCH could be faulty, contact the Techline.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the UCH, component code 645.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

If the warning light is still illuminated, check the insulation to +12V, the continuity, and the absence of interference resistance of the following connection:– 80T between components 645 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 21The immobiliser warning light remains lit when not under an after

ignition feedMessage transmitted by: UCH

NOTES Use the Technical Note Wiring Diagrams for H79.

The immobiliser warning light is only for left-hand drive

Run fault finding on the immobiliser.Check that when command AC003 is run, the immobiliser warning light goes off and then comes on again.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the UCH, component code 645.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

If the warning light is still off, check the insulation, the continuity, and the absence of interference resistance of the following connection:– 80T between components 645 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 22The battery charge fault warning light remains lit (engine running)

Signal from the alternator

NOTES Use the Technical Note Wiring Diagrams for H79.

Check the charging circuit.Repair if necessary.

Manipulate the wiring harness between the alternator and the instrument panel to note whether the warning light goes out.Look for possible damage to the wiring harness.

If the fault is still present, disconnect the connector of the instrument panel, component code 247.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the alternator, component code 103.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity and the absence of interference resistance on the following connection:– 2A between components 103 and 247.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 23The handbrake applied and fault detected on braking circuit warning

light operates inconsistently (WITHOUT ABS, WITHOUT ESP, WITHOUT ETC)

NOTES Use the Technical Note Wiring Diagrams for H79.

The brake warning light remains illuminated even with the handbrake released.

Check the brake fluid level.Top up if necessary.Check that there are no leaks in the brake circuit:

Disconnect the brake fluid MINIMUM level switch.Make sure that the brake fluid minimum level switch is working correctly.– With the switch inserted in the fluid, no continuity between connections H1 and MB.– With the switch out of the fluid, continuity between connections H1 and MB.Replace the switch if necessary.

Check the condition and connection of the instrument panel connectors, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.Check for earth on the instrument panel, component code 247 between the following connection:– 4Z of component 247,– 4DB of component 247.Check the insulation, continuity and the absence of interference resistance on the following connection:– 4Z between component 247 and earth,– 4DB between component 247 and earth.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

Disconnect the handbrake switch connector.Check that there is no earth with the switch in the rest position, and check for earth with the switch depressed.Replace the switch if necessary.

Check the condition and connection of the handbrake switch connectors, component code 156.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.Check the insulation to earth, the continuity, and the absence of interference resistance on the following connection:– H1 between components 247 and 156.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 23CONTINUED

The brake warning light remains off even with the handbrake applied.

Disconnect the handbrake switch connector.Check that there is no earth with the switch in the rest position, and check for earth with the switch depressed.Replace the switch if necessary.

Check the condition and connection of the connectors of the handbrake switch, component code 156 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.Check the insulation, continuity and the absence of interference resistance on the following connection:– H1 between components 247 and 156.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 24The handbrake applied and fault detected on braking circuit warning

light and the electronic braking distribution fault warning light operate inconsistently (WITH ABS/ESP/ETC)

NOTES Use the Technical Note Wiring Diagrams for H79.

The brake warning light remains illuminated even with the handbrake released.

Run fault finding on the ABS, the ESP (see 38C, Anti-lock braking system), or the ETC (see 26A, Rear final drive).Deal with any other faults.

Check the brake fluid level.Top up if necessary.Check that there are no leaks in the brake circuit:

Disconnect the brake fluid MINIMUM level switch.Make sure that the brake fluid minimum level switch is working correctly.– With the switch inserted in the fluid, no continuity between connections MB and H1.– With the switch out of the fluid, continuity between connections MB and H1.Replace the switch if necessary.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the brake fluid minimum level switch, component code 207.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and absence of interference resistance on the following connections:– H1 between components 247 and 207,– MB between components 207 and earth.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

Check the condition and connection of the connectors of the brake fluid minimum level switch, component code 207, the ABS computer, component code 118 or the ESP computer, component code 1094 or the front - rear torque distribution ETC computer, component code 2017 and the handbrake switch, component code 156.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity and the absence of interference resistance on the following connection:– 4DB between components 247 and 118 or 1094.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

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ALP 24CONTINUED

Disconnect the connector of the handbrake switch, component code 156.Check that there is no earth with the switch in the rest position, and check for earth with the switch depressed.Replace the switch if necessary.

Check the insulation, continuity and the absence of interference resistance on the following connection:– H1 between components 247 and 156.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

Check the insulation, continuity and the absence of interference resistance on the following connection:– H1 between components 156 and 2017.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

The brake warning light remains off even with the handbrake applied.

Disconnect the handbrake switch connector.Check that there is no earth with the switch in the rest position, and check for earth with the switch depressed.Replace the switch if necessary.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the handbrake switch, component code 156.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation, continuity and the absence of interference resistance on the following connection:– H1 between components 247 and 156.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 25The heated rear screen warning light does not light up

Message transmitted by: UCH

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the UCH, component code 645 (see 87B, Passenger compartment connection unit).Deal with any other faults.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the heated rear screen relay, component code 235.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check for +12 V on connection 15LP of the instrument panel, component code 247, with the switch depressed.If there is no +12 V, check the insulation, continuity and the absence of interference resistance on the following connection:– 15LP between components 247 and 235.If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 26There is no instrument panel display when the ignition is

switched on

NOTES Use the Technical Note Wiring Diagrams for H79.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the condition of fuses F02 (5 A) and F28 (15 A) in the passenger compartment fuse box (component code 1016).Replace the fuses if the checks are not correct.Check for +12 V on connection BC and for + after ignition on connection AP29 of the instrument panel, component code 247.

Check for earth on connection NC of the instrument panel, component code 247.

Check the continuity, insulation and absence of interference resistance on the following connections:– BC between components 247 and 1016,– AP29 between components 247 and 1016,– NC between component 247 and earth.

If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 27The trip computer or the trip meter or the clock reset to zero each

time the ignition is switched off

NOTES Use the Technical Note Wiring Diagrams for H79.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the passenger compartment fuse box, component code 1016.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the condition of fuses F02 (5 A) and F28 (15 A) in the passenger compartment fuse box (component code 1016).Replace the fuses if the checks are not correct.

Check for +12 V on connection BC and for + after ignition on connection AP29 of the instrument panel, component code 247.

Check for earth on connection NC of the instrument panel, component code 247.Check the continuity, insulation and absence of interference resistance on the following connections:– BC between components 247 and 1016,– AP29 between components 247 and 1016,– NC between component 247 and earth.

If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 28Door open warning light does not light up

Message transmitted by: UCH

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the UCH, component code 645 (see 87B, Passenger compartment connection unit).Deal with any other faults.Check that when the rear doors or the luggage compartment are opened, status ET551 is OPEN and that, with the rear doors or the luggage compartment closed, status ET489 is CLOSED.

Check that when each front door is opened, status ET489 is OPEN, and that with the front doors closed, status ET551 is CLOSED.

If this is not the case, see 87B, Passenger compartment connection unit, Interpretation of statuses.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the UCH, component code 645.If the connector or connectors are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring. If the fault is still present, check the insulation, the continuity and the absence of interference resistance of connection:– 87H between components 247 and 645.

If the connection is faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 29The OBD injection fault warning light remains illuminated

Message from: injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the petrol injection (see 17B, Petrol injection) or the diesel injection (see 13B, Diesel injection).Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 137C between components 120 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 30The injection fault severity level 2 warning light remains illuminated

Message from: injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the petrol injection (see 17B, Petrol injection) or the diesel injection (see 13B, Diesel injection).Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 3NY between components 120 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 31 The fasten seat belt reminder warning light operates inconsistently

NOTES Use the Technical Note Wiring Diagrams for H79.

Disconnect the seat belt switch connector. Check that the switch is open when the seat belt is fastened and that the switch is closed when the seat belt is not fastened.Replace the switch if necessary.

Activate a self-test sequence for the instrument panel (see Fault finding - Introduction)If the diagnostic sequence is incorrect, contact the Techline.

If the self-test sequence reveals no faults, move the wiring harness between the seat belt switch and the instrument panel to note any change in the status of the warning light.Look for possible damage to the wiring harness.

Check the condition and connection of the connectors of the seat belt switch, component code 333 and the seat belt warning module, component code 1601.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check for earth on the seat belt switch, component code 333 between the following connection:– MAM of component 333.

Check the continuity, insulation and the absence of interference resistance of the following connection:– MAM between component 333 and earth.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 96A between components 1601 and 333.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 32The particle filter warning light remains illuminated

Message from: injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Carry out fault finding on the injection (see 13B, Diesel injection).Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 3TE between components 120 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 33The IVP warning light remains illuminated

Message from: injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the diesel injection (see 13B, Diesel injection) or the petrol injection (see 17B, Petrol injection).Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 3TJ between components 120 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 34The 4X2 warning light remains illuminated

Message from: ETC torque distribution computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Check if the 4X4 mode control is positioned on AUTO mode. If not, put it on AUTO mode.

If the fault is still present, run fault finding on the ETC front - rear torque distributor (see 26A, Rear final drive).Deal with any other faults.

Check the condition and connection of the connectors of the ETC front - rear torque distribution computer, component code 2017 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 85M between components 2017 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 35The 4X4 warning light remains illuminated

Message from: ETC torque distribution computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the ETC front - rear torque distributor (see 26A, Rear final drive).Deal with any other faults.

Check the condition and connection of the connectors of the ETC front - rear torque distribution computer, component code 2017 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 85L between components 2017 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 36The water in diesel fuel warning light remains illuminated

Message from: injection computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Carry out fault finding on the injection (see 13B, Diesel injection).Deal with any other faults.

Check the condition and connection of the connectors of the injection computer, component code 120 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 3WTA between components 120 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 37Gear engaged indicator inoperative

Message from: automatic transmission computer

NOTES Use the Technical Note Wiring Diagrams for H79.

Run fault finding on the automatic transmission computer (see 23A, Automatic gearbox).Deal with any other faults.

Check the condition and connection of the connectors of the instrument panel, component code 247 and the automatic transmission computer, component code 119.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 5CQ between components 119 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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ALP 38 The passenger airbag off warning light remains illuminated

NOTES Use the Technical Note Wiring Diagrams for H79.

Check if the passenger airbag inhibition key is in the ON position.If not, put the passenger airbag inhibition key in the ON position.

Run fault finding on the "airbags and pretensioners" function (see 88C, Airbags and pretensioners).Deal with any other faults.

If the self-test sequence reveals no faults, move the wiring harness between the seat belt warning module, the airbag computer, and the passenger airbag inhibition key to note any change in the warning light status.Look for possible damage to the wiring harness.

Check the condition and connection of the connectors of the seat belt warning module, component code 1601, the airbag computer, component code 756, and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the continuity, insulation and the absence of interference resistance of the following connection:– 60CD between components 1601 and 756,– 60A between components 756 and 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

If the fault is still present, contact the Techline.

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83A-73

AFTER REPAIR Check for correct operation.

V1MR-453-X79-83A000$050.mif

INSTRUMENT PANEL INSTRUMENTSFault finding – Fault Finding Chart 83A

ALP 39 The ESP warning light operates inconsistently

NOTES Use the Technical Note Wiring Diagrams for H79.

The ESP warning light remains constantly off even when the ignition is switched on.

Carry out fault finding on the ESP (see 38C, Anti-lock braking system).Deal with any other faults.

Check the condition and connection of the connectors of the ESP computer, component code 1094 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Disconnect the ESP computer, component code 1094 and check that the instrument panel warning light illuminates.If the warning light does not illuminate, check the insulation to earth, the continuity, and the absence of interference resistance of connection 4DA between the ESP computer, component code 1094 and the instrument panel, component code 247.

If the fault is still present, contact the Techline.

The ESP warning light remains constantly illuminated.

Carry out fault finding on the ESP (see 38C, Anti-lock braking system).Deal with any other faults.

Check the condition and connection of the connectors of the ESP computer, component code 1094 and the instrument panel, component code 247.If the connectors are faulty and if there is a repair procedure (see Technical Note 6015A, Repairing electrical wiring, Wiring: Precautions for repair), repair the connector, otherwise replace the wiring.

Check the insulation to +12V, the continuity, and the absence of interference resistance of connection 4DA between the ESP computer, component code 1094 and the instrument panel, component code 247.If the connection or connections are faulty and there is a repair procedure (see Technical Note 6015A, Electrical wiring repair, Wiring: Precautions for repair), repair the wiring, otherwise replace it.

With the ESP computer connected, the ignition switched on, and the instrument panel disconnected, check the insulation to earth of connection 4DA between the ESP computer, component code 1094 and the instrument panel, component code 247.If there is earth, contact the Techline.